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net: pass a sockptr_t into ->setsockopt

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Rework the remaining setsockopt code to pass a sockptr_t instead of a
plain user pointer.  This removes the last remaining set_fs(KERNEL_DS)
outside of architecture specific code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154]
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:09:07 +02:00
committed by David S. Miller
parent d38d2b00ba
commit a7b75c5a8c
61 changed files with 246 additions and 258 deletions
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10
net/ipv6/ipv6_sockglue.c
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@@ -980,8 +980,8 @@ e_inval:
return -EINVAL;
}
int ipv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
int ipv6_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
unsigned int optlen)
{
int err;
@@ -991,14 +991,12 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname,
if (level != SOL_IPV6)
return -ENOPROTOOPT;
err = do_ipv6_setsockopt(sk, level, optname, USER_SOCKPTR(optval),
optlen);
err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
/* we need to exclude all possible ENOPROTOOPTs except default case */
if (err == -ENOPROTOOPT && optname != IPV6_IPSEC_POLICY &&
optname != IPV6_XFRM_POLICY)
err = nf_setsockopt(sk, PF_INET6, optname, USER_SOCKPTR(optval),
optlen);
err = nf_setsockopt(sk, PF_INET6, optname, optval, optlen);
#endif
return err;
}